Lattice Point Visibility on Generalized Lines of Sight
Lattice Point Visibility on Generalized Lines of Sight
复制标题
广义视线上的格点可见性
DOI:
10.1080/00029890.2018.1465760
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Mbirika, Aba
中科院分区:
文献类型:
--
作者:
Goins, Edray H.;Harris, Pamela E.;Kubik, Bethany;Mbirika, Aba
For a fixed we say that a point (r, s) in the integer lattice is b-visible from the origin if it lies on the graph of a power function f (x)= axb with and no other integer lattice point lies on this curve (ie, line of sight) between (0, 0) and (r, s). We prove that the proportion of b-visible integer lattice points is given by 1/ζ (b+ 1), where ζ (s) denotes the Riemann zeta function. We also show that even though the proportion of b-visible lattice points approaches 1 as b approaches infinity, there exist arbitrarily large rectangular arrays of b-invisible lattice points for any fixed b. This work specialized to b= 1 recovers original results from the classical lattice point visibility setting where the lines of sight are given by linear functions with rational slope through the origin.
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